diff options
Diffstat (limited to 'drivers/serial/au1x00_uart.c')
-rw-r--r-- | drivers/serial/au1x00_uart.c | 37 |
1 files changed, 14 insertions, 23 deletions
diff --git a/drivers/serial/au1x00_uart.c b/drivers/serial/au1x00_uart.c index 344022fe53ef..948880ac5878 100644 --- a/drivers/serial/au1x00_uart.c +++ b/drivers/serial/au1x00_uart.c | |||
@@ -133,13 +133,12 @@ static const struct serial_uart_config uart_config[PORT_MAX_8250+1] = { | |||
133 | { "AU1X00_UART",16, UART_CLEAR_FIFO | UART_USE_FIFO }, | 133 | { "AU1X00_UART",16, UART_CLEAR_FIFO | UART_USE_FIFO }, |
134 | }; | 134 | }; |
135 | 135 | ||
136 | static _INLINE_ unsigned int serial_in(struct uart_8250_port *up, int offset) | 136 | static unsigned int serial_in(struct uart_8250_port *up, int offset) |
137 | { | 137 | { |
138 | return au_readl((unsigned long)up->port.membase + offset); | 138 | return au_readl((unsigned long)up->port.membase + offset); |
139 | } | 139 | } |
140 | 140 | ||
141 | static _INLINE_ void | 141 | static void serial_out(struct uart_8250_port *up, int offset, int value) |
142 | serial_out(struct uart_8250_port *up, int offset, int value) | ||
143 | { | 142 | { |
144 | au_writel(value, (unsigned long)up->port.membase + offset); | 143 | au_writel(value, (unsigned long)up->port.membase + offset); |
145 | } | 144 | } |
@@ -237,7 +236,7 @@ static void serial8250_enable_ms(struct uart_port *port) | |||
237 | serial_out(up, UART_IER, up->ier); | 236 | serial_out(up, UART_IER, up->ier); |
238 | } | 237 | } |
239 | 238 | ||
240 | static _INLINE_ void | 239 | static void |
241 | receive_chars(struct uart_8250_port *up, int *status, struct pt_regs *regs) | 240 | receive_chars(struct uart_8250_port *up, int *status, struct pt_regs *regs) |
242 | { | 241 | { |
243 | struct tty_struct *tty = up->port.info->tty; | 242 | struct tty_struct *tty = up->port.info->tty; |
@@ -312,7 +311,7 @@ receive_chars(struct uart_8250_port *up, int *status, struct pt_regs *regs) | |||
312 | spin_lock(&up->port.lock); | 311 | spin_lock(&up->port.lock); |
313 | } | 312 | } |
314 | 313 | ||
315 | static _INLINE_ void transmit_chars(struct uart_8250_port *up) | 314 | static void transmit_chars(struct uart_8250_port *up) |
316 | { | 315 | { |
317 | struct circ_buf *xmit = &up->port.info->xmit; | 316 | struct circ_buf *xmit = &up->port.info->xmit; |
318 | int count; | 317 | int count; |
@@ -346,7 +345,7 @@ static _INLINE_ void transmit_chars(struct uart_8250_port *up) | |||
346 | serial8250_stop_tx(&up->port); | 345 | serial8250_stop_tx(&up->port); |
347 | } | 346 | } |
348 | 347 | ||
349 | static _INLINE_ void check_modem_status(struct uart_8250_port *up) | 348 | static void check_modem_status(struct uart_8250_port *up) |
350 | { | 349 | { |
351 | int status; | 350 | int status; |
352 | 351 | ||
@@ -1121,6 +1120,14 @@ static inline void wait_for_xmitr(struct uart_8250_port *up) | |||
1121 | } | 1120 | } |
1122 | } | 1121 | } |
1123 | 1122 | ||
1123 | static void au1x00_console_putchar(struct uart_port *port, int ch) | ||
1124 | { | ||
1125 | struct uart_8250_port *up = (struct uart_8250_port *)port; | ||
1126 | |||
1127 | wait_for_xmitr(up); | ||
1128 | serial_out(up, UART_TX, ch); | ||
1129 | } | ||
1130 | |||
1124 | /* | 1131 | /* |
1125 | * Print a string to the serial port trying not to disturb | 1132 | * Print a string to the serial port trying not to disturb |
1126 | * any possible real use of the port... | 1133 | * any possible real use of the port... |
@@ -1132,7 +1139,6 @@ serial8250_console_write(struct console *co, const char *s, unsigned int count) | |||
1132 | { | 1139 | { |
1133 | struct uart_8250_port *up = &serial8250_ports[co->index]; | 1140 | struct uart_8250_port *up = &serial8250_ports[co->index]; |
1134 | unsigned int ier; | 1141 | unsigned int ier; |
1135 | int i; | ||
1136 | 1142 | ||
1137 | /* | 1143 | /* |
1138 | * First save the UER then disable the interrupts | 1144 | * First save the UER then disable the interrupts |
@@ -1140,22 +1146,7 @@ serial8250_console_write(struct console *co, const char *s, unsigned int count) | |||
1140 | ier = serial_in(up, UART_IER); | 1146 | ier = serial_in(up, UART_IER); |
1141 | serial_out(up, UART_IER, 0); | 1147 | serial_out(up, UART_IER, 0); |
1142 | 1148 | ||
1143 | /* | 1149 | uart_console_write(&up->port, s, count, au1x00_console_putchar); |
1144 | * Now, do each character | ||
1145 | */ | ||
1146 | for (i = 0; i < count; i++, s++) { | ||
1147 | wait_for_xmitr(up); | ||
1148 | |||
1149 | /* | ||
1150 | * Send the character out. | ||
1151 | * If a LF, also do CR... | ||
1152 | */ | ||
1153 | serial_out(up, UART_TX, *s); | ||
1154 | if (*s == 10) { | ||
1155 | wait_for_xmitr(up); | ||
1156 | serial_out(up, UART_TX, 13); | ||
1157 | } | ||
1158 | } | ||
1159 | 1150 | ||
1160 | /* | 1151 | /* |
1161 | * Finally, wait for transmitter to become empty | 1152 | * Finally, wait for transmitter to become empty |